@misc{indiciae7a6f31d702f2,
  title = {Current technology in ion and electrothermal propulsion},
  author = {Finke, R. C. and Murch, C. K.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740028524},
  note = {Source identifier: 19740028524}
}